noun
bargain floor; bargain basement; discount sales area
Refers to a designated floor or basement in a department store where special sales or discounted items are sold.
デパートの特売場で安い靴を買った。
I bought cheap shoes at the department store's bargain floor.
売り場 is a general sales floor or counter, whereas 特売場 specifically denotes a bargain sales area.
Compound of 特売 (special sale) and 場 (place). The exact historical derivation is uncertain, but the word is a straightforward modern compound.